/***************************************************************************
 *                                Geometry.cs
 *                            -------------------
 *   begin                : May 1, 2002
 *   copyright            : (C) The RunUO Software Team
 *   email                : info@runuo.com
 *
 *   $Id$
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 ***************************************************************************/

using System;

namespace Server
{
	[Parsable]
	public struct Point2D : IPoint2D, IComparable, IComparable<Point2D>
	{
		internal int m_X;
		internal int m_Y;

		public static readonly Point2D Zero = new Point2D( 0, 0 );

		public Point2D( int x, int y )
		{
			m_X = x;
			m_Y = y;
		}

		public Point2D( IPoint2D p ) : this( p.X, p.Y )
		{
		}

		[CommandProperty( AccessLevel.Counselor )]
		public int X
		{
			get
			{
				return m_X;
			}
			set
			{
				m_X = value;
			}
		}

		[CommandProperty( AccessLevel.Counselor )]
		public int Y
		{
			get
			{
				return m_Y;
			}
			set
			{
				m_Y = value;
			}
		}

		public override string ToString()
		{
			return String.Format( "({0}, {1})", m_X, m_Y );
		}

		public static Point2D Parse( string value )
		{
			int start = value.IndexOf( '(' );
			int end = value.IndexOf( ',', start + 1 );

			string param1 = value.Substring( start + 1, end - (start + 1) ).Trim();

			start = end;
			end = value.IndexOf( ')', start + 1 );

			string param2 = value.Substring( start + 1, end - (start + 1) ).Trim();

			return new Point2D( Convert.ToInt32( param1 ), Convert.ToInt32( param2 ) );
		}

		public int CompareTo( Point2D other )
		{
			int v = ( m_X.CompareTo( other.m_X ) );

			if ( v == 0 )
				v = ( m_Y.CompareTo( other.m_Y ) );

			return v;
		}

		public int CompareTo( object other )
		{
			if ( other is Point2D )
				return this.CompareTo( (Point2D) other );
			else if ( other == null )
				return -1;

			throw new ArgumentException();
		}

		public override bool Equals( object o )
		{
			if ( o == null || !(o is IPoint2D) ) return false;

			IPoint2D p = (IPoint2D)o;

			return m_X == p.X && m_Y == p.Y;
		}

		public override int GetHashCode()
		{
			return m_X ^ m_Y;
		}

		public static bool operator == ( Point2D l, Point2D r )
		{
			return l.m_X == r.m_X && l.m_Y == r.m_Y;
		}

		public static bool operator != ( Point2D l, Point2D r )
		{
			return l.m_X != r.m_X || l.m_Y != r.m_Y;
		}

		public static bool operator == ( Point2D l, IPoint2D r )
		{
			if ( Object.ReferenceEquals( r, null ) )
				return false;

			return l.m_X == r.X && l.m_Y == r.Y;
		}

		public static bool operator != ( Point2D l, IPoint2D r )
		{
			if ( Object.ReferenceEquals( r, null ) )
				return false;

			return l.m_X !=r.X || l.m_Y != r.Y;
		}

		public static bool operator > ( Point2D l, Point2D r )
		{
			return l.m_X > r.m_X && l.m_Y > r.m_Y;
		}

		public static bool operator > ( Point2D l, Point3D r )
		{
			return l.m_X > r.m_X && l.m_Y > r.m_Y;
		}

		public static bool operator > ( Point2D l, IPoint2D r )
		{
			if ( Object.ReferenceEquals( r, null ) )
				return false;

			return l.m_X > r.X && l.m_Y > r.Y;
		}

		public static bool operator < ( Point2D l, Point2D r )
		{
			return l.m_X < r.m_X && l.m_Y < r.m_Y;
		}

		public static bool operator < ( Point2D l, Point3D r )
		{
			return l.m_X < r.m_X && l.m_Y < r.m_Y;
		}

		public static bool operator < ( Point2D l, IPoint2D r )
		{
			if ( Object.ReferenceEquals( r, null ) )
				return false;

			return l.m_X < r.X && l.m_Y < r.Y;
		}

		public static bool operator >= ( Point2D l, Point2D r )
		{
			return l.m_X >= r.m_X && l.m_Y >= r.m_Y;
		}

		public static bool operator >= ( Point2D l, Point3D r )
		{
			return l.m_X >= r.m_X && l.m_Y >= r.m_Y;
		}

		public static bool operator >= ( Point2D l, IPoint2D r )
		{
			if ( Object.ReferenceEquals( r, null ) )
				return false;

			return l.m_X >= r.X && l.m_Y >= r.Y;
		}

		public static bool operator <= ( Point2D l, Point2D r )
		{
			return l.m_X <= r.m_X && l.m_Y <= r.m_Y;
		}

		public static bool operator <= ( Point2D l, Point3D r )
		{
			return l.m_X <= r.m_X && l.m_Y <= r.m_Y;
		}

		public static bool operator <= ( Point2D l, IPoint2D r )
		{
			if ( Object.ReferenceEquals( r, null ) )
				return false;

			return l.m_X <= r.X && l.m_Y <= r.Y;
		}
	}

	[Parsable]
	public struct Point3D : IPoint3D, IComparable, IComparable<Point3D>
	{
		internal int m_X;
		internal int m_Y;
		internal int m_Z;

		public static readonly Point3D Zero = new Point3D( 0, 0, 0 );

		public Point3D( int x, int y, int z )
		{
			m_X = x;
			m_Y = y;
			m_Z = z;
		}

		public Point3D( IPoint3D p )
			: this( p.X, p.Y, p.Z )
		{
		}

		public Point3D( IPoint2D p, int z )
			: this( p.X, p.Y, z )
		{
		}

		[CommandProperty( AccessLevel.Counselor )]
		public int X
		{
			get
			{
				return m_X;
			}
			set
			{
				m_X = value;
			}
		}

		[CommandProperty( AccessLevel.Counselor )]
		public int Y
		{
			get
			{
				return m_Y;
			}
			set
			{
				m_Y = value;
			}
		}

		[CommandProperty( AccessLevel.Counselor )]
		public int Z
		{
			get
			{
				return m_Z;
			}
			set
			{
				m_Z = value;
			}
		}

		public override string ToString()
		{
			return String.Format( "({0}, {1}, {2})", m_X, m_Y, m_Z );
		}

		public override bool Equals( object o )
		{
			if ( o == null || !( o is IPoint3D ) )
				return false;

			IPoint3D p = (IPoint3D) o;

			return m_X == p.X && m_Y == p.Y && m_Z == p.Z;
		}

		public override int GetHashCode()
		{
			return m_X ^ m_Y ^ m_Z;
		}

		public static Point3D Parse( string value )
		{
			int start = value.IndexOf( '(' );
			int end = value.IndexOf( ',', start + 1 );

			string param1 = value.Substring( start + 1, end - ( start + 1 ) ).Trim();

			start = end;
			end = value.IndexOf( ',', start + 1 );

			string param2 = value.Substring( start + 1, end - ( start + 1 ) ).Trim();

			start = end;
			end = value.IndexOf( ')', start + 1 );

			string param3 = value.Substring( start + 1, end - ( start + 1 ) ).Trim();

			return new Point3D( Convert.ToInt32( param1 ), Convert.ToInt32( param2 ), Convert.ToInt32( param3 ) );
		}

		public static bool operator ==( Point3D l, Point3D r )
		{
			return l.m_X == r.m_X && l.m_Y == r.m_Y && l.m_Z == r.m_Z;
		}

		public static bool operator !=( Point3D l, Point3D r )
		{
			return l.m_X != r.m_X || l.m_Y != r.m_Y || l.m_Z != r.m_Z;
		}

		public static bool operator ==( Point3D l, IPoint3D r )
		{
			if ( Object.ReferenceEquals( r, null ) )
				return false;

			return l.m_X == r.X && l.m_Y == r.Y && l.m_Z == r.Z;
		}

		public static bool operator !=( Point3D l, IPoint3D r )
		{
			if ( Object.ReferenceEquals( r, null ) )
				return false;

			return l.m_X != r.X || l.m_Y != r.Y || l.m_Z != r.Z;
		}

		public int CompareTo( Point3D other )
		{
			int v = ( m_X.CompareTo( other.m_X ) );

			if ( v == 0 )
			{
				v = ( m_Y.CompareTo( other.m_Y ) );

				if ( v == 0 )
					v = ( m_Z.CompareTo( other.m_Z ) );
			}

			return v;
		}

		public int CompareTo( object other )
		{
			if ( other is Point3D )
				return this.CompareTo( (Point3D) other );
			else if ( other == null )
				return -1;

			throw new ArgumentException();
		}
	}

	[NoSort]
	[Parsable]
	[PropertyObject]
	public struct Rectangle2D
	{
		private Point2D m_Start;
		private Point2D m_End;

		public Rectangle2D( IPoint2D start, IPoint2D end )
		{
			m_Start = new Point2D( start );
			m_End = new Point2D( end );
		}

		public Rectangle2D( int x, int y, int width, int height )
		{
			m_Start = new Point2D( x, y );
			m_End = new Point2D( x + width, y + height );
		}

		public void Set( int x, int y, int width, int height )
		{
			m_Start = new Point2D( x, y );
			m_End = new Point2D( x + width, y + height );
		}

		public static Rectangle2D Parse( string value )
		{
			int start = value.IndexOf( '(' );
			int end = value.IndexOf( ',', start + 1 );

			string param1 = value.Substring( start + 1, end - (start + 1) ).Trim();

			start = end;
			end = value.IndexOf( ',', start + 1 );

			string param2 = value.Substring( start + 1, end - (start + 1) ).Trim();

			start = end;
			end = value.IndexOf( ',', start + 1 );

			string param3 = value.Substring( start + 1, end - (start + 1) ).Trim();

			start = end;
			end = value.IndexOf( ')', start + 1 );

			string param4 = value.Substring( start + 1, end - (start + 1) ).Trim();

			return new Rectangle2D( Convert.ToInt32( param1 ), Convert.ToInt32( param2 ), Convert.ToInt32( param3 ), Convert.ToInt32( param4 ) );
		}

		[CommandProperty( AccessLevel.Counselor )]
		public Point2D Start
		{
			get
			{
				return m_Start;
			}
			set
			{
				m_Start = value;
			}
		}

		[CommandProperty( AccessLevel.Counselor )]
		public Point2D End
		{
			get
			{
				return m_End;
			}
			set
			{
				m_End = value;
			}
		}

		[CommandProperty( AccessLevel.Counselor )]
		public int X
		{
			get
			{
				return m_Start.m_X;
			}
			set
			{
				m_Start.m_X = value;
			}
		}

		[CommandProperty( AccessLevel.Counselor )]
		public int Y
		{
			get
			{
				return m_Start.m_Y;
			}
			set
			{
				m_Start.m_Y = value;
			}
		}

		[CommandProperty( AccessLevel.Counselor )]
		public int Width
		{
			get
			{
				return m_End.m_X - m_Start.m_X;
			}
			set
			{
				m_End.m_X = m_Start.m_X + value;
			}
		}

		[CommandProperty( AccessLevel.Counselor )]
		public int Height
		{
			get
			{
				return m_End.m_Y - m_Start.m_Y;
			}
			set
			{
				m_End.m_Y = m_Start.m_Y + value;
			}
		}

		public void MakeHold( Rectangle2D r )
		{
			if ( r.m_Start.m_X < m_Start.m_X )
				m_Start.m_X = r.m_Start.m_X;

			if ( r.m_Start.m_Y < m_Start.m_Y )
				m_Start.m_Y = r.m_Start.m_Y;

			if ( r.m_End.m_X > m_End.m_X )
				m_End.m_X = r.m_End.m_X;

			if ( r.m_End.m_Y > m_End.m_Y )
				m_End.m_Y = r.m_End.m_Y;
		}

		public bool Contains( Point3D p )
		{
			return ( m_Start.m_X <= p.m_X && m_Start.m_Y <= p.m_Y && m_End.m_X > p.m_X && m_End.m_Y > p.m_Y );
			//return ( m_Start <= p && m_End > p );
		}

		public bool Contains( Point2D p )
		{
			return ( m_Start.m_X <= p.m_X && m_Start.m_Y <= p.m_Y && m_End.m_X > p.m_X && m_End.m_Y > p.m_Y );
			//return ( m_Start <= p && m_End > p );
		}

		public bool Contains( IPoint2D p )
		{
			return ( m_Start <= p && m_End > p );
		}

		public override string ToString()
		{
			return String.Format( "({0}, {1})+({2}, {3})", X, Y, Width, Height );
		}
	}

	[NoSort]
	[PropertyObject]
	public struct Rectangle3D
	{
		private Point3D m_Start;
		private Point3D m_End;

		public Rectangle3D( Point3D start, Point3D end )
		{
			m_Start = start;
			m_End = end;
		}

		public Rectangle3D( int x, int y, int z, int width, int height, int depth )
		{
			m_Start = new Point3D( x, y, z );
			m_End = new Point3D( x + width, y + height, z + depth );
		}

		[CommandProperty( AccessLevel.Counselor )]
		public Point3D Start
		{
			get
			{
				return m_Start;
			}
			set
			{
				m_Start = value;
			}
		}

		[CommandProperty( AccessLevel.Counselor )]
		public Point3D End
		{
			get
			{
				return m_End;
			}
			set
			{
				m_End = value;
			}
		}

		[CommandProperty( AccessLevel.Counselor )]
		public int Width
		{
			get
			{
				return m_End.X - m_Start.X;
			}
		}

		[CommandProperty( AccessLevel.Counselor )]
		public int Height
		{
			get
			{
				return m_End.Y - m_Start.Y;
			}
		}

		[CommandProperty( AccessLevel.Counselor )]
		public int Depth
		{
			get
			{
				return m_End.Z - m_Start.Z;
			}
		}

		public bool Contains( Point3D p )
		{
			return ( p.m_X >= m_Start.m_X )
				&& ( p.m_X <  m_End.m_X )
				&& ( p.m_Y >= m_Start.m_Y )
				&& ( p.m_Y <  m_End.m_Y )
				&& ( p.m_Z >= m_Start.m_Z )
				&& ( p.m_Z <  m_End.m_Z );
		}

		public bool Contains( IPoint3D p )
		{
			return ( p.X >= m_Start.m_X )
				&& ( p.X <  m_End.m_X )
				&& ( p.Y >= m_Start.m_Y )
				&& ( p.Y <  m_End.m_Y )
				&& ( p.Z >= m_Start.m_Z )
				&& ( p.Z <  m_End.m_Z );
		}
	}
}